Asked by Writeacher

Rebecca had 9/10 of a yard of ribbon. Then she gave 7/20 of a yard to a friend. How much does she have left?

[Please learn to type fractions correctly on Jiskha.]
Answered by PsyDAG
9/10 - 7/20 = 18/20 - 7/20 = ?
Answered by MoonDrop
Thank you starlight. This helped.
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